<?php
-require_once dirname(__FILE__) . '/../wrgeo/wrgeo.body.php'; # for the function wrGeoGeoStringToGeo
-
-function wrMapParserFirstCallInit() {
- global $wgParser;
- // global $wrGoogleMaps; // is this necessary?
- global $wgGoogleMapsKey;
- $wrGoogleMaps = new WrGoogleMaps($wgGoogleMapsKey);
- $wgParser->setHook('wrmap', 'wrmapParserHook');
- $wgParser->setHook('wrgmap', array($wrGoogleMaps, 'render'));
- return true;
-}
-
-
-// Tool functions
-// --------------
-
-/// List of markers - used by the functions wrMapReplaceByMarker and wrMapAfterTidy
-$wrMapMarkerList = array();
-
-/// Returns a marker for a text and back-replaces the text in wrReportAfterTidy
-function wrMapReplaceByMarker($text, $marker = 'wrMapMarker') {
- $marker = $marker . mt_rand(1e5, 1e7);
- global $wrMapMarkerList;
- $wrMapMarkerList[$marker] = $text;
- return $marker;
+// get value of key or default value if key does not exist
+// gets coordinates and returns an array of lon/lat coordinate pairs, e.g.
+// 47.12 N 11.87 E
+// 47.13 N 11.70 E
+// ->
+// array(array(11.87, 47.12), array(11.70, 47.13))
+function geo_to_coordinates($input) {
+ $matches = array();
+ $num_matches = preg_match_all('/(\d+\.?\d*)\s*N?\s+(\d+\.?\d*)\s*E?\s*/', $input, $matches);
+ $result = array();
+ for ($i=0; $i!=$num_matches; ++$i) {
+ $result[] = array(floatval($matches[2][$i]), floatval($matches[1][$i]));
+ }
+ return $result;
}
-/// Replaces the markers by its contents
-function wrMapParserAfterTidy(&$parser, &$text) {
- // find markers in $text
- // replace markers with actual output
- global $wrMapMarkerList;
- foreach ($wrMapMarkerList as $marker => $html) $text = str_replace($marker, $html, $text);
- return true;
+// convert sledruns to geojson (http://www.geojson.org/geojson-spec.html)
+// Returns an array of features
+function sledruns_to_json_features() {
+ $json_features = array(); // result
+ $dbr = wfGetDB(DB_SLAVE);
+ $res = $dbr->select(array('wrsledruncache', 'wrreportcache'), array('wrsledruncache.page_title', 'position_latitude', 'position_longitude', 'date_report', '`condition`'), array('show_in_overview', 'not under_construction'), __METHOD__, array(), array('wrreportcache' => array('left outer join', 'wrsledruncache.page_id=wrreportcache.page_id')));
+ while ($sledrun = $dbr->fetchRow($res)) {
+ $lat = $sledrun['position_latitude'];
+ $lon = $sledrun['position_longitude'];
+ if (is_null($lat) || is_null($lon)) continue;
+ $lat = floatval($lat);
+ $lon = floatval($lon);
+ $title = Title::newFromText($sledrun['page_title']);
+ $properties = array('type' => 'sledrun', 'name' => $title->getText(), 'wiki' => $title->getLocalUrl());
+ if (!is_null($sledrun['date_report'])) $properties[] = $sledrun['date_report'];
+ if (!is_null($sledrun['condition'])) $properties[] = intval($sledrun['condition']);
+ $json_feature = array(
+ 'type' => 'feature',
+ 'geometry' => array(
+ 'type' => 'Point',
+ 'coordinates' => array($lon, $lat)
+ ),
+ 'properties' => $properties
+ );
+ $json_features[] = $json_feature;
+ }
+ $dbr->freeResult($res);
+ return $json_features;
}
+// convert XML to geojson (http://www.geojson.org/geojson-spec.html)
+// Returns an array of features
+// TODO: Error reporting
+function xml_to_json_features($input) {
+ libxml_use_internal_errors(true); // without that, we get PHP Warnings if the $input is not well-formed
+ $xml = new SimpleXMLElement($input); // input
+ $json_features = array(); // output
+ $point_type = array('gasthaus' => 'inn', 'haltestelle' => 'busstop', 'parkplatz' => 'carpark', 'achtung' => 'attention', 'punkt' => 'point');
+ $line_type = array('rodelbahn' => 'sledrun', 'gehweg' => 'walk', 'alternative' => 'alternative', 'lift' => 'lift', 'linie' => 'line');
+ foreach ($xml as $feature) {
+ // point
+ if (in_array($feature->getName(), array_keys($point_type))) {
+ $properties = array('type' => $point_type[$feature->getName()]);
+ if (isset($feature['wiki'])) $properties['wiki'] = (string) $feature['wiki'];
+ if (isset($feature['name'])) $properties['name'] = (string) $feature['name'];
+ $json_feature = array(
+ 'type' => 'feature',
+ 'geometry' => array(
+ 'type' => 'Point',
+ 'coordinates' => geo_to_coordinates($feature)[0]
+ ),
+ 'properties' => $properties
+ );
+ $json_features[] = $json_feature;
+ }
+ // line
+ if (in_array($feature->getName(), array_keys($line_type))) {
+ $properties = array('type' => $line_type[$feature->getName()]);
+ if (isset($feature['farbe'])) $properties['strokeColor'] = (string) $feature['farbe'];
+ if (isset($feature['dicke'])) $properties['strokeWidth'] = (string) $feature['dicke'];
+ $json_feature = array(
+ 'type' => 'feature',
+ 'geometry' => array(
+ 'type' => 'LineString',
+ 'coordinates' => geo_to_coordinates($feature)
+ ),
+ 'properties' => $properties
+ );
+ $json_features[] = $json_feature;
+ }
+ }
+ return $json_features;
+}
-// Java script
-// -----------
-
-// Global JavaScript functions
-define(WRGMAPJSFUNCTIONS, <<<JAVASCRIPT
-<script type="text/javascript">
-//<![CDATA[
-var wrSleddingIcon = new GIcon(G_DEFAULT_ICON);
-wrSleddingIcon.image = "/vorlagen/gmap_rodelbahn_c.png";
-wrSleddingIcon.shadow = "/vorlagen/gmap_rodelbahn_c_s.png";
-wrSleddingIcon.iconSize = new GSize(17, 17);
-wrSleddingIcon.shadowSize = new GSize(23, 23);
-wrSleddingIcon.iconAnchor = new GPoint(9, 9);
-wrSleddingIcon.infoWindowAnchor = new GPoint(9, 9);
-function wrCreateMarker(latitude, longitude, name, icon) {
- var point = new GLatLng(latitude, longitude);
- var marker = new GMarker(point, icon);
- var articlePath = "$wgArticlePath";
- var p = articlePath.replace("\$1", name.replace(' ', '_'));
- GEvent.addListener(marker, "click", function() {marker.openInfoWindowHtml("<strong><a href='" + p + "'>" + name+ "</a></strong>");});
- return marker;
-}
-//]]>
-</script>
-JAVASCRIPT
-);
-
-
-/** This class was inpired by the GoogleMaps class of the GoogleMaps extension. */
-class WrGoogleMaps {
- /// the Google API key (obtained from
- /// http://www.google.com/apis/maps/signup.html)
- private $apiKey = null;
-
- /// How many <wrgmap> tags are on the current page?
- private $mapsCount = 0;
-
- /// Constructor
- function WrGoogleMaps($apiKey) {
- $this->apiKey = $apiKey;
- }
-
- /// Renders the <wrgmap> tag
+class WrBaseMap {
+ /// Renders the <wrgmap> tag and the <wrmap> tag.
+ /// This class would be the only class needed but as the function render() toes not provide an argument
+ /// telling which tag name called the function, a trick with two inherited classes has to be used.
/// @param $content string - the content of the <wrgmap> tag
/// @param $args array - the array of attribute name/value pairs for the tag
/// @param $parser Parser - the MW Parser object for the current page
///
/// @return string - the html for rendering the map
- function render($content, $args, &$parser) {
- ++$this->mapsCount;
-
- // Decode data
- if (isset($args['lat'])) $latitude = floatval($args['lat']); else $latitude = 47.267648;
- if (isset($args['lon'])) $longitude = floatval($args['lon']); else $longitude = 11.404655;
+ public static function render($content, $args, $parser, $frame) {
+ // Unfortunately, $tagname is no argument of this function, therefore we have to use a trick with derived classes.
+ $tagname = strtolower(get_called_class()); // either wrmap or wrgmap
+ assert(in_array($tagname, array('wrmap', 'wrgmap')));
+
+ // Get center and zoom level from $args
+ if (isset($args['lat'])) $latitude = floatval($args['lat']); else $latitude = 47.267648; // latitude as float value
+ if (isset($args['lon'])) $longitude = floatval($args['lon']); else $longitude = 11.404655; // longitude as float value
if (isset($args['zoom'])) $zoom = intval($args['zoom']); else $zoom = 10; // Google Zoom Level
-
- // Query database
- $dbr = wfGetDB(DB_SLAVE);
- $res = $dbr->select('wrsleddingcache', array('page_title', 'position_latitude', 'position_longitude'));
- $sleddingRoutes = array();
- while ($sleddingRoute = $dbr->fetchRow($res)) $sleddingRoutes[] = $sleddingRoute;
- $dbr->freeResult($res);
+ if (isset($args['width'])) $width = intval($args['width']); else $width = null; // null corresponds to 100%
+ if (isset($args['height'])) $height = intval($args['height']); else $height = 450;
+ $latitude_s = sprintf('%.6F', $latitude);
+ $longitude_s = sprintf('%.6F', $longitude);
+ $width_s = is_null($width) ? '100%' : $width . 'px';
+ $height_s = $height . 'px';
+ $show_sledruns = ($tagname == 'wrgmap');
+
+ $parserOutput = $parser->getOutput();
+ $parserOutput->addHeadItem('<script type="text/javascript" src="http://maps.google.com/maps/api/js?v=3.8&sensor=false"></script>', 'googlemaps');
+ $parserOutput->addModules('ext.wrmap');
- // Load Google Maps Script and define functions
- $output = '';
- if ($this->mapsCount == 1) {
- $output .= '<script src="http://maps.google.com/maps?file=api&v=2&key=' . htmlspecialchars($this->apiKey) . '" type="text/javascript"></script>' . "\n";
- $output .= WRGMAPJSFUNCTIONS;
- }
-
- // Create <div/> element where the map is placed in
- $mapName = 'wrgmap' . $this->mapsCount;
- $output .= '<div id="' . $mapName . '" style="width: 100%; height: 450px; border-style:none;"></div>';
-
- // Return output
- $output .= '<script type="text/javascript">' . "\n//<![CDATA[\n";
- $output .= 'if (GBrowserIsCompatible()) {' . "\n";
- $output .= $this->addMap($mapName, $latitude, $longitude, $zoom);
- foreach ($sleddingRoutes as $s) {
- $lat = $s['position_latitude'];
- $lon = $s['position_longitude'];
- $pageTitle = $s['page_title'];
- if (!$lat || !$lon) continue;
- $output .= $this->addJsMarker($lat, $lon, $pageTitle);
- }
- $output .= "}\n//]]>\n</script>\n";
- return wrMapReplaceByMarker($output);
- }
-
- // returns a string that creates a map object called 'map'
- private function addMap($mapName, $latitude, $longitude, $zoom) {
- return "\tvar map = new GMap2(document.getElementById('$mapName'), {'mapTypes': [G_NORMAL_MAP, G_HYBRID_MAP, G_PHYSICAL_MAP, G_SATELLITE_MAP]});\n" .
- "\tmap.addControl(new GLargeMapControl());\n" .
- "\tmap.addControl(new GMapTypeControl());\n" .
- "\tmap.addControl(new GScaleControl());\n" .
- "\tmap.setCenter(new GLatLng($latitude, $longitude), $zoom);\n" .
- "\tmap.setMapType(G_PHYSICAL_MAP);\n" .
- "\tmap.enableScrollWheelZoom();\n";
- }
-
- // returns a string with a add marker javascript call
- private function addJsMarker($latitude, $longitude, $pageTitle) {
- return "\tmap.addOverlay(wrCreateMarker($latitude, $longitude, \"" . htmlspecialchars(addslashes($pageTitle)) . "\", wrSleddingIcon));\n";
- }
-
-}
+ $json_features = array();
+ // append all sledruns as icon
+ if ($show_sledruns) {
+ $json_features = array_merge($json_features, sledruns_to_json_features());
+ }
-/// Format inside <wrmap>...</wrmap> has to be like this:
-///
-/// <wrmap>
-/// Rodelbahn|47.143241 N 11.208959 E|Birgitzer Alm
-/// ...
-/// </wrmap>
-///
-/// The extension produces a format like this:
-/// <googlemap version="0.9" lat="47.241016" lon="11.56517" zoom="11">
-/// 47.241731, 11.358994, Birgitzer Alm
-/// Die Birgitzer Alm ist nett
-/// 47.17607, 11.542763, Naviser Hütte
-/// Die Naviser Hütte
-/// </googlemap>
-function wrmapParserHook($input, $args, $parser) {
- $debug = (isset($args['debug']) && $args['debug'] != '0');
-
- $output = '';
- $lines = explode("\n", $input);
- $latitudes = array();
- $longitudes = array();
- foreach ($lines as $line) {
+ // append all elements in the XML
try {
- $l = trim($line);
- if (strlen($l) == 0) continue;
- $columns = explode('|', $line);
- if (count($columns) != 3) throw new Exception(sprintf(utf8_encode('Die Anzahl der Spalten ist nicht 3 sondern %d'), count($columns)));
- $columns = list($type, $geo, $name) = $columns;
- if (strlen(trim($geo)) == 0) continue;
- list($latitude, $longitude) = wrGeoStringToGeo($geo);
- $latitudes[] = $latitude;
- $longitudes[] = $longitude;
- $output .= sprintf("%F, %F, %s\n", $latitude, $longitude, htmlspecialchars($name));
+ $json_features = array_merge($json_features, xml_to_json_features('<wrmap>' . $content . '</wrmap>'));
} catch (Exception $e) {
- return sprintf(utf8_encode('Ungültige Zeile in der Koordinatenliste: <em>%s</em>. %s'), htmlspecialchars($line), htmlspecialchars($e->getMessage()));
+ return htmlspecialchars($e);
}
+
+ // create final geojson
+ $json = array(
+ 'type' => 'FeatureCollection',
+ 'features' => $json_features
+ );
+ $json_string = json_encode($json);
+
+ // Create <div/> element where the map is placed in
+ global $wgExtensionAssetsPath;
+ $output = "<div class=\"wrmap\" style=\"width: $width_s; height: $height_s; border-style:none;\" data-center-lon=\"$longitude_s\" data-center-lat=\"$latitude_s\" data-zoom=\"$zoom\" data-img-path=\"$wgExtensionAssetsPath/wrmap/openlayers/img/\">";
+ $output .= "<script type=\"application/json\">";
+ $output .= htmlspecialchars($json_string, ENT_NOQUOTES);
+ $output .= "</script>";
+ $output .= "</div>\n";
+
+ return $output;
}
- if (count($latitudes) == 0) return utf8_encode('Keine Koordinaten eingetragen');
- $minLatitude = min($latitudes);
- $centerLat = $minLatitude + (max($latitudes) - $minLatitude) / 2;
- $minLongitude = min($longitudes);
- $centerLon = $minLongitude + (max($longitudes) - $minLongitude) / 2;
+}
- // TODO: Varable zoom level
- $output = '<googlemap version="0.9" lat="' . $centerLat . '" lon="' . $centerLon . '" type="terrain" zoom="9">'. "\n" . $output . "</googlemap>\n";
- if ($debug) return "<pre><nowiki>$output</nowiki></pre>\n";
- return $parser->recursiveTagParse($output);
+// <wrmap> tag
+class WrMap extends WrBaseMap {
}
+// <wrgmap> tag
+class WrGMap extends WrBaseMap {
+}
+
?>
ToastFreeware / philipp / winterrodeln / mediawiki_extensions / wrmap.git / blobdiff